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Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

A star-forming region in the Large Magellanic Cloud. A star-forming region in the Large Magellanic Cloud.
A digital storage oscilloscope can be easily connected to an injector by carefully back-probing ... A digital storage oscilloscope can be easily connected to an injector by carefully back-probing ...
Golden toads in a Costa Rican Cloud Forest Golden toads in a Costa Rican Cloud Forest
The nucleus is bounded by a double membrane called the nuclear envelope The nucleus is bounded by a double membrane called the nuclear envelope
A thin cleft, called the synapse, separates one cell from another. A thin cleft, called the synapse, separates one cell from another.
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

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